201516712 has 16 divisors (see below), whose sum is σ = 379934100. Its totient is φ = 100200960.

The previous prime is 201516701. The next prime is 201516727. The reversal of 201516712 is 217615102.

It can be written as a sum of positive squares in 2 ways, for example, as 172291876 + 29224836 = 13126^2 + 5406^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68137 + ... + 71032.

Almost surely, 2^201516712 is an apocalyptic number.

It is an amenable number.

201516712 is a deficient number, since it is larger than the sum of its proper divisors (178417388).

201516712 is a wasteful number, since it uses less digits than its factorization.

201516712 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 139356 (or 139352 counting only the distinct ones).

The product of its (nonzero) digits is 840, while the sum is 25.

The square root of 201516712 is about 14195.6582094667. The cubic root of 201516712 is about 586.2781239851.

The spelling of 201516712 in words is "two hundred one million, five hundred sixteen thousand, seven hundred twelve".